20311200

素因数分解:

$2^5\times 3^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:77

約数の個数: 432

約数和(自身を含む): 90994176

約数和(自身を除く): 70682976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 25, 26, 28, 30, 31, 32, 35, 36, 39, 40, 42, 45, 48, 50, 52, 56, 60, 62, 63, 65, 70, 72, 75, 78, 80, 84, 90, 91, 93, 96, 100, 104, 105, 112, 117, 120, 124, 126, 130, 140, 144, 150, 155, 156, 160, 168, 175, 180, 182, 186, 195, 200, 208, 210, 217, 224, 225, 234, 240, 248, 252, 260, 273, 279, 280, 288, 300, 310, 312, 315, 325, 336, 350, 360, 364, 372, 390, 400, 403, 416, 420, 434, 450, 455, 465, 468, 480, 496, 504, 520, 525, 546, 558, 560, 585, 600, 620, 624, 630, 650, 651, 672, 700, 720, 728, 744, 775, 780, 800, 806, 819, 840, 868, 900, 910, 930, 936, 975, 992, 1008, 1040, 1050, 1085, 1092, 1116, 1120, 1170, 1200, 1209, 1240, 1248, 1260, 1300, 1302, 1365, 1395, 1400, 1440, 1456, 1488, 1550, 1560, 1575, 1612, 1638, 1680, 1736, 1800, 1820, 1860, 1872, 1950, 1953, 2015, 2016, 2080, 2100, 2170, 2184, 2232, 2275, 2325, 2340, 2400, 2418, 2480, 2520, 2600, 2604, 2730, 2790, 2800, 2821, 2912, 2925, 2976, 3100, 3120, 3150, 3224, 3255, 3276, 3360, 3472, 3600, 3627, 3640, 3720, 3744, 3900, 3906, 4030, 4095, 4200, 4340, 4368, 4464, 4550, 4650, 4680, 4836, 4960, 5040, 5200, 5208, 5425, 5460, 5580, 5600, 5642, 5850, 6045, 6200, 6240, 6300, 6448, 6510, 6552, 6825, 6944, 6975, 7200, 7254, 7280, 7440, 7800, 7812, 8060, 8190, 8400, 8463, 8680, 8736, 8928, 9100, 9300, 9360, 9672, 9765, 10075, 10080, 10400, 10416, 10850, 10920, 11160, 11284, 11700, 12090, 12400, 12600, 12896, 13020, 13104, 13650, 13950, 14105, 14508, 14560, 14880, 15600, 15624, 16120, 16275, 16380, 16800, 16926, 17360, 18135, 18200, 18600, 18720, 19344, 19530, 20150, 20475, 20832, 21700, 21840, 22320, 22568, 23400, 24180, 24800, 25200, 25389, 26040, 26208, 27300, 27900, 28210, 29016, 30225, 31200, 31248, 32240, 32550, 32760, 33852, 34720, 36270, 36400, 37200, 38688, 39060, 40300, 40950, 42315, 43400, 43680, 44640, 45136, 46800, 48360, 48825, 50400, 50778, 52080, 54600, 55800, 56420, 58032, 60450, 62496, 64480, 65100, 65520, 67704, 70525, 72540, 72800, 74400, 78120, 80600, 81900, 84630, 86800, 90272, 90675, 93600, 96720, 97650, 101556, 104160, 109200, 111600, 112840, 116064, 120900, 126945, 130200, 131040, 135408, 141050, 145080, 156240, 161200, 163800, 169260, 173600, 181350, 193440, 195300, 203112, 211575, 218400, 223200, 225680, 241800, 253890, 260400, 270816, 282100, 290160, 312480, 322400, 327600, 338520, 362700, 390600, 406224, 423150, 451360, 483600, 507780, 520800, 564200, 580320, 634725, 655200, 677040, 725400, 781200, 812448, 846300, 967200, 1015560, 1128400, 1269450, 1354080, 1450800, 1562400, 1692600, 2031120, 2256800, 2538900, 2901600, 3385200, 4062240, 5077800, 6770400, 10155600, 20311200]

約数ペア:

[(1, 20311200), (2, 10155600), (3, 6770400), (4, 5077800), (5, 4062240), (6, 3385200), (7, 2901600), (8, 2538900), (9, 2256800), (10, 2031120), (12, 1692600), (13, 1562400), (14, 1450800), (15, 1354080), (16, 1269450), (18, 1128400), (20, 1015560), (21, 967200), (24, 846300), (25, 812448), (26, 781200), (28, 725400), (30, 677040), (31, 655200), (32, 634725), (35, 580320), (36, 564200), (39, 520800), (40, 507780), (42, 483600), (45, 451360), (48, 423150), (50, 406224), (52, 390600), (56, 362700), (60, 338520), (62, 327600), (63, 322400), (65, 312480), (70, 290160), (72, 282100), (75, 270816), (78, 260400), (80, 253890), (84, 241800), (90, 225680), (91, 223200), (93, 218400), (96, 211575), (100, 203112), (104, 195300), (105, 193440), (112, 181350), (117, 173600), (120, 169260), (124, 163800), (126, 161200), (130, 156240), (140, 145080), (144, 141050), (150, 135408), (155, 131040), (156, 130200), (160, 126945), (168, 120900), (175, 116064), (180, 112840), (182, 111600), (186, 109200), (195, 104160), (200, 101556), (208, 97650), (210, 96720), (217, 93600), (224, 90675), (225, 90272), (234, 86800), (240, 84630), (248, 81900), (252, 80600), (260, 78120), (273, 74400), (279, 72800), (280, 72540), (288, 70525), (300, 67704), (310, 65520), (312, 65100), (315, 64480), (325, 62496), (336, 60450), (350, 58032), (360, 56420), (364, 55800), (372, 54600), (390, 52080), (400, 50778), (403, 50400), (416, 48825), (420, 48360), (434, 46800), (450, 45136), (455, 44640), (465, 43680), (468, 43400), (480, 42315), (496, 40950), (504, 40300), (520, 39060), (525, 38688), (546, 37200), (558, 36400), (560, 36270), (585, 34720), (600, 33852), (620, 32760), (624, 32550), (630, 32240), (650, 31248), (651, 31200), (672, 30225), (700, 29016), (720, 28210), (728, 27900), (744, 27300), (775, 26208), (780, 26040), (800, 25389), (806, 25200), (819, 24800), (840, 24180), (868, 23400), (900, 22568), (910, 22320), (930, 21840), (936, 21700), (975, 20832), (992, 20475), (1008, 20150), (1040, 19530), (1050, 19344), (1085, 18720), (1092, 18600), (1116, 18200), (1120, 18135), (1170, 17360), (1200, 16926), (1209, 16800), (1240, 16380), (1248, 16275), (1260, 16120), (1300, 15624), (1302, 15600), (1365, 14880), (1395, 14560), (1400, 14508), (1440, 14105), (1456, 13950), (1488, 13650), (1550, 13104), (1560, 13020), (1575, 12896), (1612, 12600), (1638, 12400), (1680, 12090), (1736, 11700), (1800, 11284), (1820, 11160), (1860, 10920), (1872, 10850), (1950, 10416), (1953, 10400), (2015, 10080), (2016, 10075), (2080, 9765), (2100, 9672), (2170, 9360), (2184, 9300), (2232, 9100), (2275, 8928), (2325, 8736), (2340, 8680), (2400, 8463), (2418, 8400), (2480, 8190), (2520, 8060), (2600, 7812), (2604, 7800), (2730, 7440), (2790, 7280), (2800, 7254), (2821, 7200), (2912, 6975), (2925, 6944), (2976, 6825), (3100, 6552), (3120, 6510), (3150, 6448), (3224, 6300), (3255, 6240), (3276, 6200), (3360, 6045), (3472, 5850), (3600, 5642), (3627, 5600), (3640, 5580), (3720, 5460), (3744, 5425), (3900, 5208), (3906, 5200), (4030, 5040), (4095, 4960), (4200, 4836), (4340, 4680), (4368, 4650), (4464, 4550)]